<template>
    <div
        :class="className"
        :style="{height:height,width:width}"
    />
</template>

<script>
import echarts from 'echarts'
require('echarts/theme/macarons') // echarts theme
import resize from './mixins/resize'

export default {
	mixins: [resize],
	props: {
		className: {
			type: String,
			default: 'chart'
		},
		width: {
			type: String,
			default: '100%'
		},
		height: {
			type: String,
			default: '300px'
		}
	},
	data() {
		return {
			chart: null
		}
	},
	mounted() {
		this.$nextTick(() => {
			this.initChart()
		})
	},
	beforeDestroy() {
		if (!this.chart) {
			return
		}
		this.chart.dispose()
		this.chart = null
	},
	methods: {
		initChart() {
			this.chart = echarts.init(this.$el, 'macarons')

			this.chart.setOption({
				tooltip: {
					trigger: 'item',
					formatter: '{a} <br/>{b} : {c} ({d}%)'
				},
				legend: {
					left: 'center',
					bottom: '10',
					data: ['Industries', 'Technology', 'Forex', 'Gold', 'Forecasts']
				},
				series: [
					{
						name: 'WEEKLY WRITE ARTICLES',
						type: 'pie',
						roseType: 'radius',
						radius: [15, 95],
						center: ['50%', '38%'],
						data: [
							{ value: 320, name: 'Industries' },
							{ value: 240, name: 'Technology' },
							{ value: 149, name: 'Forex' },
							{ value: 100, name: 'Gold' },
							{ value: 59, name: 'Forecasts' }
						],
						animationEasing: 'cubicInOut',
						animationDuration: 2600
					}
				]
			})
		}
	}
}
</script>
